Weather-strip.



Patented Apr. 9, 190|. ,A. w. ALLlsuN.

WEATHER STRIP. Apphction led May 2, 190'0.)

No. 67u85.

(No Model.)

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NITED. STATES PATENT OFFICE.

ANDREW W. ALLISON, OF JANESVILLE, WISCONSIN.

.WEATHER-STRIP.

SPECIFICATION forming part of Letters Patent N o. 671,786, dated April9, 1901.

Application filed May 2, 1900.

To a/ZZ whom it may concern,.-

Beit known that I, ANDREW W. ALLIsoN, a citizen of the United States,residing at Janesville, in the county of Rock and State of Wiscousin,have invented certain new and useful Improvements in Weather-Strips; andI do hereby declare the following to be a full, clear, and exactdescription of the invention,sucl1 as will enable others skilled in theart to which it appertains to make and use the same.

This invention relates to weather-strips of that class composed of twomoldings or strips with interengagin g tongue and groove, so that whenclosed together they serve to completely exclude dust,cold,storm,andwind. Weatherstrips of this character have been proposed; but they areliable to-warp and twist, and thus destroy their effectiveness. It hasbeen proposed, in one instance brought to my notice, to cut away oneedge of the strip or molding at one edge, so as to form a spring; butthis leaves the edge of the strip unsupported along its entire length,and shrinking or swelling of the strip will force the inner edge to thecasing, where the recess is formed, which will draw the nails on theOuter edge, and by so doing it renders the strip practically Worthless,as it will not spring back again. It is necessary that the strip have abearing on both of its edges or it Will not stay in its proper place andwill warp. A Hat strip-that is, a strip with a fiat base-will warp andtwist, being easily afected by the damp Weather,

and when once thus warped it fails to exclude satisfactorily the water,air, and'dampness.

The object of the present invention is to provide a strip of suchconstruction that it will fit closely to the part to-Which it is affixedand will draw down tight where the door or casing is rough from oldpaint or from rough weather, and thus effectually exclude the weatherand water. To accomplish this, I form the back or base of the strip witha recess, not at one edge, but practically in the center, so as to leavea flat bearing edge upon both sides of the recess. The shape of thisrecess is not essential, although I have found from experience that aconcave base will stand the weather better and willnot warp so easily.By so forming the strip that it will snugly fit the part to which it isattached it not only better excludes the dampness, dac., but it willSerial No. 15,238. (No model.)

not warp or spring, nor will it be affected by the slamming of the door.

Having the above objects in view, the invention resides in the novelconstruction of the strip, as will be hereinafter more fully described,shown in the drawings, and then particularly pointed ont in the claims.

The invention is clearly illustrated in the accompanying drawings,which, with the letters of reference marked thereon, form a part of thisspecification, and in which- Figure l is an enlarged cross-section of aportion of the improved strip. Fig. 2 is a view showing a portion of thedoor and jamb with the strips attached, the door being shown closed infull lines and partly open in dotted lines. Fig. 3 is a sectional viewshowing the strip attached to the door. Fig. 4 is a view showing thecorner'block in the angle and the strip against the same. 1

Like letters of reference indicate like parts throughout the severalviews.

A designates one of the strips. Its base a is formed with a recess orgroove b, which may be of any desired configuration in crosssection,preferably, however, substantially that shown; but in all instances itmust be confined wholly within the side edges of the strip, as shown, soas to afford a firm fiat bearing along each edge of the strip. By thismeans the strip when once secured will at all times stayin its properplace and will not warp. Besides the strip can be drawn closer to thewoodwork, readily adapting itself to any roughness or unevenness in thewood. Water cannot lind its way beneath the strip, and the slamming ofthe door will not cause it to change its position with respect to thedoor.

B is the complemental strip. It is likewise formed with a recess orgroove c upon its base for a similar purpose. The two strips are formedto interengage at their adjacent faces, the one being provided with atongue d to enter a groove e in the other, as shown, so that when thedoor is closed they form an absolutely air-tight joint sufficient toexclude all dust, water, and wind.

O is a block disposed in the corner on the hinged side. The hinge-sidecorner cannot be mitered, as the strip is reversed at the top. Thisblock may be provided upon the end IOO which abuts against the woodworkwith a series of recesses or concavities, as seen atf by dotted lines inFig. 4, for a purpose similar to the recess or groove in the base of thestrip.

Itis evident that the strips although herein shown as applied to a doormay be employed in connection with windows, where they will serve thesame function, and also it is evident the strips may be employedwherever a strip can be applied to exclude wind and dust.

What is claimed as new is- 1. A weather-strip comprising a compressionor packing strip formed with a base having a recess which is confinedwithin the opposite edges thereof whereby a bearing is formed uponopposite sides of the recess, as and for the purpose specified.

2. A Weather-strip comprising a compression or packing strip having itsbase provided with a shallow recess or coneavity extending lengthwisethereof,'with a flat bearing porltion along each edge of the strip uponopposite sides of the said recess, substantially as and for the purposespecified.

3. The combination of two strips each with a concave base with bearingedges upon opposite sides of the shallow concavity, the said stripsbeing disposed with their bases at substantially right angles to eachother, and the faces of the strips being formed with interengagingportions, substantially as described. In testimony whereof I afx mysignature in presence of two witnesses.

ANDREW W. ALLISON. Witnesses:

M. P. RICHARDSON, GEORGE I. JONES.

